Hearing protection device



FIG. 1 is a perspective view of a first embodiment of a hearing protection device showing our new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is yct another perspective view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is another perspective view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a left side elevation view thereof;

FIG. 8 is a right side elevation view thereof;

FIG. 9 is a front elevation view thereof;

FIG. 10 is a rear elevation view thereof;

FIG. 11 is a perspective view of a second embodiment of a hearing protection device showing our new design;

FIG. 12 is another perspective view thereof;

FIG. 13 is another perspective view thereof;

FIG. 14 is a top plan view thereof;

FIG. 15 is another perspective view thereof;

FIG. 16 is a bottom plan view thereof;

FIG. 17 is a left side elevation view thereof;

FIG. 18 is a right side elevation view thereof;

FIG. 19 is a front elevation view thereof; and,

FIG. 20 is a rear elevation view thereof.

The even dash-dash broken lines are directed to unclaimed portions of the hearing protection device and form no part of the claimed design. The dash-dot-dash broken lines adjacent to the shaded areas depict boundaries of the claim and form no part of the claimed design. 

CLAIM The ornamental design for a hearing protection device, as shown and described. 